项目合同规定了专业资源。在审查项目范围时，项目经理和承包商确定采购小组应选择工料合同（T&M），而不是固定总价（FFP）合同。项目经理应该怎么做?

选择了： Seek approval of a change request to amend the contract 寻求批准变更请求，修改合同

选择了： Inform the contractor that the contract cannot be changed since it is a binding and legal document. 通知承包商合同不能变更，因为合同是具有约束力的法律文件

选择了： Seek approval of a change request to amend the contract 寻求批准变更请求，修改合同

选择了： Perform a variance analysis as part of the ontrol osts process 执行偏差分析，作为控制成本过程的组成部分

选择了： Seek approval of a change request to amend the contract 寻求批准变更请求，修改合同

选择了： Seek approval of a change request to amend the contract 寻求批准变更请求，修改合同

选择了： Wait for the procurement group to initiate a contract change 等待采购小组提出合同变更

选择了： Seek approval of a change request to amend the contract 寻求批准变更请求，修改合同

选择了： Perform a variance analysis as part of the ontrol osts process 执行偏差分析，作为控制成本过程的组成部分

选择了： Seek approval of a change request to amend the contract 寻求批准变更请求，修改合同